<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>service worker</title>
	<link rel="stylesheet" type="text/css" href="main.css">
</head>
<body>
	<div id="container">
		service worker
	</div>
	<script type="text/javascript" src="app.js"></script>
</body>
</html>